Crazy's reason

I am wanting to know if I could put together a building team to build a medieval city out in the world on the creative server. The reason I want to go out into the world is that a plot is too small to build a city in. If you don't want me to that's fine.

The team will be me and 3 other people, the people will be the 1st 2nd and 3rd place rankings of my building contest.Block dimensions I estimate will be around 1000x1000.World type will be flatland.And those are all the questions!